Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D280022 | Hearing aid transducer or the like | Philip S. Egan, Keld T. Helmuth, Richard G. Pimentel | 1985-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D280022 | Hearing aid transducer or the like | Philip S. Egan, Keld T. Helmuth, Richard G. Pimentel | 1985-08-06 |